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Review request for pig. Description ------- Adds a new property pig.maxCombinedSplitNum. Pig won't combine more splits than the configured limit. By default, it is set to Long.MAX_VALUE. This addresses bug PIG-3346. https://issues.apache.org/jira/browse/PIG-3346 Diffs ----- src/docs/src/documentation/content/xdocs/perf.xml 78bb3ed src/org/apache/pig/PigConfiguration.java b94e0c8 src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/JobControlCompiler.java 292c0f1 src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java d785aac src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/PigInputFormat.java 2266305 src/org/apache/pig/backend/hadoop/executionengine/util/MapRedUtil.java 0502917 test/org/apache/pig/test/TestSplitCombine.java 541aae2 test/org/apache/pig/test/TestSplitIndex.java 4bfdeb4 Diff: https://reviews.apache.org/r/11718/diff/ Testing ------- All unit tests pass. A new unit test case is added for the new property. Thanks, Cheolsoo Park